code: def test_sphere_to_simplex_belongs(self, n_points, atol):
      point = self.data_generator_sphere.random_point(n_points)
  
      point_simplex = self.space.metric.sphere_to_simplex(point)
      expected = gs.ones(n_points, dtype=bool)
  
      res = self.space.belongs(point_simplex, atol=atol)
      expected = gs.ones(n_points, dtype=bool)
      self.assertAllEqual(res, expected)
  
imports: import pytest
  import geomstats.backend
  from geomstats.test.vectorization import generate_vectorization_data
  from geomstats.test_cases.geometry.base import LevelSetTestCase
  from geomstats.test_cases.geometry.riemannian_metric import RiemannianMetricTestCase
  from geomstats.test_cases.information_geometry.base import InformationManifoldMixinTestCase
label_desc: Use image node_id 5 for calling the MultinomialMetricTestCase obj's underlying member method code with example usage: obj.test_sphere_to_simplex_belongs(n_points, atol) without return types